Summary - What became of two hump-backed men who went into a fairy knoll.

A hump-backed man went into a fairy knoll where the occupants were dancing to a tune that went: "Monday, Tuesday." The man added "Wednesday" and they were so pleased they took the hump from his back. He told another man what had happened and he went into the fairy knoll. He added "Thursday, Friday" to the tune and they put the other man's hump on his back.